(NnA^ERTATELXNAQ GEOMETRIQ (B:s (Nu^EBNOE POSOBIE (B/s - (NwINOGRADOW(B, (NwIKTOR nIKONOWI^s ((NmINSK (B:s (NwY[\J[AQ [KOLA(B,s, 1977)
Keywords: (NnA^ERTATELXNAQ GEOMETRIQs